FAQ: 1. What the material of your waterproof bag? Answer: It's made of powerful TPU which is 10 times stronger than cheaper vinyl versions. 2. Do you have professional certificates? Answer:Of course. Our products have passed the ROHS ,ipx7 ,and ISO , quality is surely guaranteed, you can buy it without any risk. 3. Could I use my BAGS with this bag while in water ? Answer:Yes .You can operate your phone in the water. And it&#8217;s used for boating, fishing, surfing, swimming, diving and any other outdoor sports. 4. Could this bag drown into the water ? Answer: In order to solve this problem, we have added the EVA into the bags , so you don't need to worry about your BAGS drown into the water . 5. How about the price of your bag ? Answer: We choose the best materials to make this bag, so maybe our products a products is the best.re a little expensive than others, but the quality and service of our

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